Home / 39,775.80-59,642.10-16,404.60

Finding the Fourth Proportional to 39,775.80, 59,642.10 and 16,404.60

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Solution

The fourth proportional to 39,775.80, 59,642.10 and 16,404.60 is: 24,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,775.80 : 59,642.10 = 16,404.60 : x
  2. Step 2: Convert to fraction form
    39,775.80/59,642.10 = 16,404.60/x
  3. Step 3: Cross multiply
    39,775.80x = 59,642.10 × 16,404.60
  4. Step 4: Simplify right side
    39,775.80x = 978,404,793.66
  5. Step 5: Solve for x
    x = 978,404,793.66/39,775.80
  6. Step 6: Final answer
    x = 24,597.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.